1290624_example3

gistfile1.aw

<?php

/**
 * Provides an API function to load/tweak a user's name.
 * Called by a module which has already checked permission and the validity of the $uid.
 */
function example_module_usertweak($uid) {
  global $user;
  drupal_set_message(t('Thanks, @user, for tweaking this!', array('@user' => $user->name));
  // Save the original user.
  $original_user = $user;
  // Now load the current user and call a hook to allow modules to tweak it.
  $user = user_load($uid);
  $user = module_invoke_all('example_module_usertweak', $user);
  user_save($user);
  // Now switch back to the original user.
  $user = $original_user;
  return;
}